TABLE 1.

Bacterial loads of positive BCs over 8 h and recovery rate by SST procedure (phase I)

Incubation conditions and specimen sourceBacterial load or recovery rate at the following times after first bottle turned positivea:
0 h2 h4 h8 h
Aerobic (n = 5)
    BACTEC bottle15.6 ± 4.817.6 ± 4.317.0 ± 2.917.2 ± 7.5
    ID broth12.0 ± 4.312.8 ± 3.510.8 ± 3.312.4 ± 3.3
Anaerobic (n = 5)
    BACTEC bottle14.6 ± 6.115.5 ± 6.113.1 ± 6.214.4 ± 4.8
    ID broth6.7 ± 3.06.6 ± 3.67.1 ± 3.68.0 ± 3.5
  • a Bacterial loads are numbers of E. coli ATCC 25922 CFU (108) per milliliter for BACTEC bottles, and recovery rates are numbers of bacteria in ID broth. Values are means ± standard deviations.